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Data as of Nov 4, 2026

151.186.154.0/24

No anonymizer space · no proxy exits in 30 days

Amazon.com, Inc. · space held by Cisco Systems, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS16509
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
151.186.0.0/1665,536OpenDNS-RIPECisco Systems, Inc. (ORG-CSI15-RIPE) · USLEGACYSep 2, 2021rir-abuse@cisco.com
└ 151.186.144.0/204,096CISCO-CIE-NATAAS-12unknownLEGACYJun 12, 2024rir-abuse@cisco.com
via OpenDNS-RIPE
└ 151.186.154.0/24256CISCO-CIE-NATAAS-12unknownLEGACYJun 12, 2024rir-abuse@cisco.com
via CISCO-CIE-NATAAS-12
└ 151.186.154.21/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 23, 2026rir-abuse@cisco.com
└ 151.186.154.23/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.154.31/321CIE-ITCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 10, 2026rir-abuse@cisco.com
└ 151.186.154.35/321CIE-ATCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 22, 2026rir-abuse@cisco.com
└ 151.186.154.37/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.154.38/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.154.39/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.154.40/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.154.85/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 23, 2026rir-abuse@cisco.com
└ 151.186.154.86/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 23, 2026rir-abuse@cisco.com
└ 151.186.154.88/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.154.102/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.154.103/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.154.104/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.154.105/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Cisco Systems, Inc.
Handle
ORG-CSI15-RIPE
Range
151.186.0.0/16
Registration type
LEGACY
Record created
Sep 2, 2021
Legacy
yes
Origin network

AS16509

US
Name
Amazon.com, Inc.
Type
Hosting
Registered
May 4, 2000
Domain
amazon.com
Website
www.amazon.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
VPN servers
294